UrlSet

WAY-75
Merge pull request #5 in WAY/way-base from WAY-75-urlset to master

* commit '5dc15d829d07163a4ff74ea7a11b8e9f8c06f7e8':
  UrlSet
WayBaseIOFakes
Merge pull request #6 in WAY/way-base from WAY-76-fakedatafile to master

* commit '5b06c42096634b6748064a768ae0974a0c0f3352':
  WayBaseIOFakes